Home / 43,830.68-65,745.62-18,888.35

Finding the Fourth Proportional to 43,830.68, 65,745.62 and 18,888.35

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Solution

The fourth proportional to 43,830.68, 65,745.62 and 18,888.35 is: 28,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830.68 : 65,745.62 = 18,888.35 : x
  2. Step 2: Convert to fraction form
    43,830.68/65,745.62 = 18,888.35/x
  3. Step 3: Cross multiply
    43,830.68x = 65,745.62 × 18,888.35
  4. Step 4: Simplify right side
    43,830.68x = 1,241,826,187.09
  5. Step 5: Solve for x
    x = 1,241,826,187.09/43,830.68
  6. Step 6: Final answer
    x = 28,332.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.